//
//  DemoModel.h
//  设计模式
//
//  Created by huyang on 2020/7/9.
//  Copyright © 2020 test. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "DemoItem.h"

NS_ASSUME_NONNULL_BEGIN

@interface DemoModel : NSObject

/**
 注释
 */
@property (nonatomic, weak)id<DemoItem> item;



@end

NS_ASSUME_NONNULL_END
